---Hello, this is Mike. Is Dr. Li in?---Sorry, he_________ to the west of Africa to help the patients there.A.has been B. is going C. has gone
The shirt made______ China is made ______silk.
Would you like ________ of tea?
This pair of shoes _______ very nice. Can I________?
--Excuse me, may I have_______ water? --Sorry, there isn’t ______ water in the cup.
The jeans are________, so I will take________.